<html>
  <head>
    <title>Listing 4.1: Calling a Function</title>

    <script language="JavaScript" type="text/javascript">
      <!--
      var temp=3/2
      function make_background_red()
      {
        document.bgColor="blue"
        document.write("<h1>The background is now red.<\/h1>")
	document.write(temp)
      }
    
    make_background_red()
    //-->
    </script>
  </head>
</html>

